Make sure the selectionChanged signal is not called too much

It could happen that it was called with empty selectionrange
Now we check to see if the selection ranges are empty

Task-number: QTBUG-9507
Reviewed-by: gabi

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gui/itemviews/qtableview.cpp b/src/gui/itemviews/qtableview.cpp
index 43445b4..f49f273 100644
--- a/src/gui/itemviews/qtableview.cpp
+++ b/src/gui/itemviews/qtableview.cpp
@@ -1847,7 +1847,9 @@ void QTableView::setSelection(const QRect &rect, QItemSelectionModel::SelectionF
             selection.append(QItemSelectionRange(topLeft, bottomRight));
         }
     } else { // nothing moved
-        selection.append(QItemSelectionRange(tl, br));
+        QItemSelectionRange range(tl, br);
+        if (!range.isEmpty())
+            selection.append(range);
     }
 
     d->selectionModel->select(selection, command);